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Gas valve failure during routine maintenance work may have led to fatal explosion, US Steel says
Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near ...
Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near ...
The deadly blast at the U.S. Steel facility outside Pittsburgh was just the latest in a series of recent workplace accidents.
U.S. Steel has released new details on what investigators believe caused the explosion at the Clairton Coke Works plant.
A rescue operation was underway for people trapped under rubble, while a cause for the explosion has not been confirmed.
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